The SS-10/SS-10C Subsea Wellhead Systems are 10,000 psi working pressure systems with weight-set metal-to-metal seals. These systems utilize the SS-15® guidance equipment for higher bending capacity.
The 18-3/4" Rigid Lockdown Wellhead incorporates all the field-proven features of Dril-Quip's standard wellhead. The Rigid Lockdown Wellhead includes a locking mechanism that preloads the 18-3/4" wellhead to the conductor wellhead.
Dril-Quip's BigBore IIe meets the demands of HPHT well environments. The BigBore IIe is fully verified and validation tested for structural capacity and high fatigue resistance.
The BigBore™ IIe is a fully qualified subsea wellhead system that has been extensively analyzed and validation tested to be suitable for high pressure, high temperature (HP/HT) service.
Dril-Quip's SS-15 BigBore Subsea Wellhead Systems allow an additional casing string, casing hanger and seal assembly (typically 18") to pass through the 18-3/4" wellhead with the BOP stack and riser in place
The SS-15 BigBore II Subsea Wellhead is designed for 15,000 psi working pressure and H2S service. The wellhead has a primary landing shoulder and unique multiple-load profile on the lower I.D., which allows all casing weight and pressure loads to be carried at the bottom of the wellhead, with a 7.0 million lb load capacity. The wellhead-restricted I.D. is 18.510…
Dril-Quip's SS-15 Subsea Wellhead Systems are rated for 15,000 psi working pressure, features a field-proven “weight-set” metal-to-metal annulus seal, and the “weight-set” technique to install and retrieve all components.
The SS-20 and SS-15 BigBore II-H Subsea Wellhead System is Dril-Quip's wellhead system designed for deepwater, deep well applications. The BigBore II-H System features higher load carrying capacity and higher temperature ratings than the typical subsea wellhead systems.
The BigBore II-H Subsea Wellhead System allows an additional 18" casing string, hanger and seal assembly to pass through the 18-3/4" wellhead with the BOP stack and riser in place. This accommodates drilling and running a large bore diameter casing string through shallow pressurized water sands with complete BOP control and with drilling returns back to the drilling vessel.
At the core of each Dril-Quip SU Series Unitized Wellhead System is a unique surface wellhead that incorporates subsea wellhead metal-to-metal sealing technology, providing benefits not available in typical surface wellhead systems. Options for high-pressure, severe service systems and highly efficient standard service systems are available.
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